EDIT: I'm no longer actively maintaining this thread, but you're welcome to attempt the challenge anyway. Go check out Bluedog Design Bureau for historical rocket parts including Saturn bits! Too lazy to link, but google is always your friend.   There hasn't been an Apollo-Style challenge in quite some time so I figured, especially with all the new players around, and with the release of a new version, it was time to make a new one.       The Apollo Program